be default is in ascending order. Use desc() for descending order. Missing values are always sorted at the end.
library(nycflights13)
library(tidyverse)
## -- Attaching packages ------------------------------------------- tidyverse 1.3.0 --
## v ggplot2 3.3.0 v purrr 0.3.4
## v tibble 3.0.1 v dplyr 0.8.5
## v tidyr 1.0.3 v stringr 1.4.0
## v readr 1.3.1 v forcats 0.5.0
## -- Conflicts ---------------------------------------------- tidyverse_conflicts() --
## x dplyr::filter() masks stats::filter()
## x dplyr::lag() masks stats::lag()
flights
arrange(flights,year, month, day) #each succeeding column is used to break ties between the same column values)
arrange(flights, desc(arr_delay))
arrange(flights, desc(is.na(dep_time), dep_time))
arrange(flights, desc(arr_delay), dep_time)
3
arrange(flights, distance/air_time)
4
arrange(flights, desc(distance)) #fastest
arrange(flights, distance)